/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:59:06,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:59:06,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:59:06,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:59:06,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:59:06,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:59:06,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:59:06,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:59:06,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:59:06,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:59:06,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:59:06,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:59:06,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:59:06,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:59:06,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:59:06,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:59:06,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:59:06,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:59:06,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:59:06,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:59:06,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:59:06,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:59:06,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:59:06,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:59:06,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 21:59:06,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:59:06,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:59:06,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:59:06,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 21:59:06,276 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:59:06,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:59:06,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:59:06,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:59:06,278 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:59:06,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:59:06,279 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:59:06,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:59:06,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:59:06,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:59:06,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:59:06,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:59:06,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:59:06,281 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:59:06,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:59:06,281 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:59:06,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:59:06,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:59:06,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:59:06,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:59:06,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:59:06,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:59:06,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:59:06,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:59:06,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:59:06,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:59:06,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:59:06,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:59:06,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:59:06,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:59:06,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:59:06,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:59:06,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:59:06,697 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:59:06,698 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:59:06,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-11-06 21:59:06,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd5f7a16/b5c8ebba4d2f4947b8f30b913daefc30/FLAG2fb629965 [2020-11-06 21:59:07,398 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:59:07,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-11-06 21:59:07,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd5f7a16/b5c8ebba4d2f4947b8f30b913daefc30/FLAG2fb629965 [2020-11-06 21:59:07,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd5f7a16/b5c8ebba4d2f4947b8f30b913daefc30 [2020-11-06 21:59:07,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:59:07,790 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:59:07,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:59:07,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:59:07,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:59:07,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:07" (1/1) ... [2020-11-06 21:59:07,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa5d8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:07, skipping insertion in model container [2020-11-06 21:59:07,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:07" (1/1) ... [2020-11-06 21:59:07,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:59:07,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:59:07,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:59:07,989 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:59:08,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:59:08,024 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:59:08,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:08 WrapperNode [2020-11-06 21:59:08,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:59:08,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:59:08,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:59:08,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:59:08,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:08" (1/1) ... [2020-11-06 21:59:08,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:08" (1/1) ... [2020-11-06 21:59:08,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:08" (1/1) ... [2020-11-06 21:59:08,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:08" (1/1) ... [2020-11-06 21:59:08,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:08" (1/1) ... [2020-11-06 21:59:08,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:08" (1/1) ... [2020-11-06 21:59:08,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:08" (1/1) ... [2020-11-06 21:59:08,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:59:08,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:59:08,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:59:08,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:59:08,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:59:08,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:59:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:59:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:59:08,144 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:59:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:59:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:59:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:59:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:59:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:59:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:59:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:59:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:59:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:59:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:59:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:59:08,503 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:59:08,503 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-06 21:59:08,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:08 BoogieIcfgContainer [2020-11-06 21:59:08,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:59:08,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:59:08,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:59:08,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:59:08,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:07" (1/3) ... [2020-11-06 21:59:08,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402dd2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:08, skipping insertion in model container [2020-11-06 21:59:08,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:08" (2/3) ... [2020-11-06 21:59:08,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402dd2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:08, skipping insertion in model container [2020-11-06 21:59:08,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:08" (3/3) ... [2020-11-06 21:59:08,516 INFO L111 eAbstractionObserver]: Analyzing ICFG signextension2-2.c [2020-11-06 21:59:08,534 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:59:08,538 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 21:59:08,553 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 21:59:08,597 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:59:08,597 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:59:08,597 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:59:08,597 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:59:08,598 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:59:08,598 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:59:08,598 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:59:08,598 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:59:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-11-06 21:59:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-06 21:59:08,651 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:59:08,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:59:08,652 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:59:08,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:59:08,659 INFO L82 PathProgramCache]: Analyzing trace with hash -136836000, now seen corresponding path program 1 times [2020-11-06 21:59:08,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:59:08,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876754117] [2020-11-06 21:59:08,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:59:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:59:08,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:59:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:59:08,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:59:08,921 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 21:59:08,922 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 21:59:08,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:59:08,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:59:08 BoogieIcfgContainer [2020-11-06 21:59:08,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:59:08,957 INFO L168 Benchmark]: Toolchain (without parser) took 1171.01 ms. Allocated memory is still 159.4 MB. Free memory was 136.0 MB in the beginning and 133.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 1.8 MB. Max. memory is 8.0 GB. [2020-11-06 21:59:08,959 INFO L168 Benchmark]: CDTParser took 1.45 ms. Allocated memory is still 125.8 MB. Free memory was 101.3 MB in the beginning and 101.2 MB in the end (delta: 68.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:59:08,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.28 ms. Allocated memory is still 159.4 MB. Free memory was 135.4 MB in the beginning and 126.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 21:59:08,961 INFO L168 Benchmark]: Boogie Preprocessor took 33.88 ms. Allocated memory is still 159.4 MB. Free memory was 126.4 MB in the beginning and 125.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-06 21:59:08,962 INFO L168 Benchmark]: RCFGBuilder took 444.67 ms. Allocated memory is still 159.4 MB. Free memory was 125.0 MB in the beginning and 113.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-11-06 21:59:08,963 INFO L168 Benchmark]: TraceAbstraction took 446.87 ms. Allocated memory is still 159.4 MB. Free memory was 113.2 MB in the beginning and 133.6 MB in the end (delta: -20.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:59:08,969 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45 ms. Allocated memory is still 125.8 MB. Free memory was 101.3 MB in the beginning and 101.2 MB in the end (delta: 68.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 233.28 ms. Allocated memory is still 159.4 MB. Free memory was 135.4 MB in the beginning and 126.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.88 ms. Allocated memory is still 159.4 MB. Free memory was 126.4 MB in the beginning and 125.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 444.67 ms. Allocated memory is still 159.4 MB. Free memory was 125.0 MB in the beginning and 113.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 446.87 ms. Allocated memory is still 159.4 MB. Free memory was 113.2 MB in the beginning and 133.6 MB in the end (delta: -20.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] unsigned int allOne = -1; [L8] int castToInt = allOne; [L9] long castToLong = allOne; [L10] long castToLong2 = castToInt; [L11] unsigned long castToULong = allOne; VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] [L13-L14] COND TRUE castToInt == -1 && castToLong == 4294967295UL && castToLong2 == -1 && castToULong == 4294967295UL VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] [L19] CALL reach_error() [L3] __assert_fail("0", "signextension2-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...